Google Releases Sashiko: AI Code Review Agent for Linux Kernel Patches
Google engineers have released Sashiko, an open-source agentic AI code review system specifically designed for the Linux kernel. Roman Gushchin of Google's Linux kernel team announced the project, which has been used internally at Google to uncover issues and is now publicly available.
Key Details
Sashiko covers all submissions to the Linux kernel mailing list and is funded by Google, which also covers the token budget and infrastructure. The project hosting is being moved to the Linux Foundation.
According to Roman's announcement, Sashiko was able to find around 53% of bugs based on an unfiltered set of 1,000 recent upstream Linux kernel issues with "Fixes:" tags using Gemini 3.1 Pro. He noted that "100% of these issues were missed by human reviewers."
The system was designed for Google Gemini Pro 3.1 but should work with Claude and likely other LLMs too.
Access and Resources
- The code is open-source on GitHub
- A web interface for upstream agentic code review of Linux kernel patches is available at Sashiko.dev
- Roman's full announcement can be read on LinkedIn
This tool is for developers working on or reviewing Linux kernel code, particularly those submitting patches to the upstream mailing list.
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